46543438 has 4 divisors (see below), whose sum is σ = 69815160. Its totient is φ = 23271718.

The previous prime is 46543429. The next prime is 46543439. The reversal of 46543438 is 83434564.

46543438 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 46543397 and 46543406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46543439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11635858 + ... + 11635861.

It is an arithmetic number, because the mean of its divisors is an integer number (17453790).

Almost surely, 2^46543438 is an apocalyptic number.

46543438 is a deficient number, since it is larger than the sum of its proper divisors (23271722).

46543438 is a wasteful number, since it uses less digits than its factorization.

46543438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23271721.

The product of its digits is 138240, while the sum is 37.

The square root of 46543438 is about 6822.2751337072. The cubic root of 46543438 is about 359.7102555461.

The spelling of 46543438 in words is "forty-six million, five hundred forty-three thousand, four hundred thirty-eight".